If you’re serious about your online business you make sure to test your website in various sizes and on various devices. Doing it manually on an ongoing basis will kill you.
To get started just drag the blue button to the top of your browser and it will add the resizer icon. Now you’re ready to test your own website.
Insidemyrocket.com on a smartphone (Portrait)
Insidemyrocket.com on a small tablet (Landscape)
Try out the Viewport Resizer. For the best experience use Chrome, Firefox or Safari.